Gemini 2.5 Pro vs o3: Pricing Comparison
Compare pricing, capabilities, and costs for your LLM workloads.
Gemini 2.5 Pro
Pricing (per 1M tokens)
Input$1.25
Output$10.00
Cached Input$0.1250
Batch Input$0.6250
Batch Output$5.00
Context & Output
Context Window1M tokens
Max Output65.5K tokens
Capabilities
Categoryflagship
Multimodaltext + image + audio
Fine-tuningNo
StreamingYes
OpenAI
o3
Pricing (per 1M tokens)
Input$2.00
Output$8.00
Cached Input$0.5000
Batch Input$1.00
Batch Output$4.00
Context & Output
Context Window200K tokens
Max Output100K tokens
Capabilities
Categoryflagship
Multimodaltext + image
Fine-tuningNo
StreamingYes
Quick Verdict
Cheaper Input Price
Gemini 2.5 Pro
37.5% cheaper
Cheaper Output Price
o3
20.0% cheaper
Larger Context Window
Gemini 2.5 Pro
+800K tokens
Cost Comparison
Sample workload: 1,000,000 input tokens + 1,000,000 output tokens
Gemini 2.5 Pro
$11.25
$1.25/1M input + $10.00/1M output
o3
$10.00
$2.00/1M input + $8.00/1M output
o3 is 11.1% cheaper for this workload.
Frequently Asked Questions
Which is cheaper, Gemini 2.5 Pro or o3?
For input tokens, Gemini 2.5 Pro is cheaper at $1.25 per 1M tokens. For output tokens, o3 is cheaper at $8.00 per 1M tokens. The overall cost depends on your workload's input/output ratio.
What is the context window size of Gemini 2.5 Pro vs o3?
Gemini 2.5 Pro has a context window of 1M tokens, while o3 has 200K tokens. Gemini 2.5 Pro supports a larger context window of 1M tokens, which is beneficial for processing longer documents.
How do Gemini 2.5 Pro and o3 compare for batch processing?
Both models support batch processing with discounted rates. Gemini 2.5 Pro offers a better batch rate at $0.6250 per 1M input tokens. Batch processing is ideal for non-time-sensitive workloads where you can wait for processing.
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